[sql] Import reference version of SQLite 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/aggnested.test

+# 2012 August 23
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.
+#
+# This file implements tests for processing aggregate queries with 
+# subqueries in which the subqueries hold the aggregate functions
+# or in which the subqueries are themselves aggregate queries
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test aggnested-1.1 {
+  db eval {
+    CREATE TABLE t1(a1 INTEGER);
+    INSERT INTO t1 VALUES(1), (2), (3);
+    CREATE TABLE t2(b1 INTEGER);
+    INSERT INTO t2 VALUES(4), (5);
+    SELECT (SELECT group_concat(a1,'x') FROM t2) FROM t1;
+  }
+} {1x2x3}
+do_test aggnested-1.2 {
+  db eval {
+    SELECT
+     (SELECT group_concat(a1,'x') || '-' || group_concat(b1,'y') FROM t2)
+    FROM t1;
+  }
+} {1x2x3-4y5}
+do_test aggnested-1.3 {
+  db eval {
+    SELECT (SELECT group_concat(b1,a1) FROM t2) FROM t1;
+  }
+} {415 425 435}
+do_test aggnested-1.4 {
+  db eval {
+    SELECT (SELECT group_concat(a1,b1) FROM t2) FROM t1;
+  }
+} {151 252 353}
+
+
+# This test case is a copy of the one in
+# http://www.mail-archive.com/sqlite-users@sqlite.org/msg70787.html
+#
+do_test aggnested-2.0 {
+  sqlite3 db2 :memory:
+  db2 eval {
+    CREATE TABLE t1 (A1 INTEGER NOT NULL,A2 INTEGER NOT NULL,A3 INTEGER NOT 
+    NULL,A4 INTEGER NOT NULL,PRIMARY KEY(A1));
+    REPLACE INTO t1 VALUES(1,11,111,1111);
+    REPLACE INTO t1 VALUES(2,22,222,2222);
+    REPLACE INTO t1 VALUES(3,33,333,3333);
+    CREATE TABLE t2 (B1 INTEGER NOT NULL,B2 INTEGER NOT NULL,B3 INTEGER NOT 
+    NULL,B4 INTEGER NOT NULL,PRIMARY KEY(B1));
+    REPLACE INTO t2 VALUES(1,88,888,8888);
+    REPLACE INTO t2 VALUES(2,99,999,9999);
+    SELECT (SELECT GROUP_CONCAT(CASE WHEN a1=1 THEN'A' ELSE 'B' END) FROM t2),
+            t1.* 
+    FROM t1;
+  }
+} {A,B,B 3 33 333 3333}
+db2 close
+
+##################### Test cases for ticket [bfbf38e5e9956ac69f] ############
+#
+# This first test case is the original problem report:
+do_test aggnested-3.0 {
+  db eval {
+    CREATE TABLE AAA (
+      aaa_id       INTEGER PRIMARY KEY AUTOINCREMENT
+    );
+    CREATE TABLE RRR (
+      rrr_id      INTEGER     PRIMARY KEY AUTOINCREMENT,
+      rrr_date    INTEGER     NOT NULL,
+      rrr_aaa     INTEGER
+    );
+    CREATE TABLE TTT (
+      ttt_id      INTEGER PRIMARY KEY AUTOINCREMENT,
+      target_aaa  INTEGER NOT NULL,
+      source_aaa  INTEGER NOT NULL
+    );
+    insert into AAA (aaa_id) values (2);
+    insert into TTT (ttt_id, target_aaa, source_aaa)
+    values (4469, 2, 2);
+    insert into TTT (ttt_id, target_aaa, source_aaa)
+    values (4476, 2, 1);
+    insert into RRR (rrr_id, rrr_date, rrr_aaa)
+    values (0, 0, NULL);
+    insert into RRR (rrr_id, rrr_date, rrr_aaa)
+    values (2, 4312, 2);
+    SELECT i.aaa_id,
+      (SELECT sum(CASE WHEN (t.source_aaa == i.aaa_id) THEN 1 ELSE 0 END)
+         FROM TTT t
+      ) AS segfault
+    FROM
+     (SELECT curr.rrr_aaa as aaa_id
+        FROM RRR curr
+          -- you also can comment out the next line
+          -- it causes segfault to happen after one row is outputted
+          INNER JOIN AAA a ON (curr.rrr_aaa = aaa_id)
+          LEFT JOIN RRR r ON (r.rrr_id <> 0 AND r.rrr_date < curr.rrr_date)
+       GROUP BY curr.rrr_id
+      HAVING r.rrr_date IS NULL
+    ) i;
+  }
+} {2 1}
+
+# Further variants of the test case, as found in the ticket
+#
+do_test aggnested-3.1 {
+  db eval {
+    DROP TABLE IF EXISTS t1;
+    DROP TABLE IF EXISTS t2;
+    CREATE TABLE t1 (
+      id1 INTEGER PRIMARY KEY AUTOINCREMENT,
+      value1 INTEGER
+    );
+    INSERT INTO t1 VALUES(4469,2),(4476,1);
+    CREATE TABLE t2 (
+      id2 INTEGER PRIMARY KEY AUTOINCREMENT,
+      value2 INTEGER
+    );
+    INSERT INTO t2 VALUES(0,1),(2,2);
+    SELECT
+     (SELECT sum(value2==xyz) FROM t2)
+    FROM
+     (SELECT curr.value1 as xyz
+        FROM t1 AS curr LEFT JOIN t1 AS other
+       GROUP BY curr.id1);
+  }
+} {1 1}
+do_test aggnested-3.2 {
+  db eval {
+    DROP TABLE IF EXISTS t1;
+    DROP TABLE IF EXISTS t2;
+    CREATE TABLE t1 (
+      id1 INTEGER,
+      value1 INTEGER,
+      x1 INTEGER
+    );
+    INSERT INTO t1 VALUES(4469,2,98),(4469,1,99),(4469,3,97);
+    CREATE TABLE t2 (
+      value2 INTEGER
+    );
+    INSERT INTO t2 VALUES(1);
+    SELECT
+     (SELECT sum(value2==xyz) FROM t2)
+    FROM
+     (SELECT value1 as xyz, max(x1) AS pqr
+        FROM t1
+       GROUP BY id1);
+    SELECT
+     (SELECT sum(value2<>xyz) FROM t2)
+    FROM
+     (SELECT value1 as xyz, max(x1) AS pqr
+        FROM t1
+       GROUP BY id1);
+  }
+} {1 0}
+do_test aggnested-3.3 {
+  db eval {
+    DROP TABLE IF EXISTS t1;
+    DROP TABLE IF EXISTS t2;
+    CREATE TABLE t1(id1, value1);
+    INSERT INTO t1 VALUES(4469,2),(4469,1);
+    CREATE TABLE t2 (value2);
+    INSERT INTO t2 VALUES(1);
+    SELECT (SELECT sum(value2=value1) FROM t2), max(value1)
+      FROM t1
+     GROUP BY id1;
+  }
+} {0 2}
+
+# A batch of queries all doing approximately the same operation involving
+# two nested aggregate queries.
+#
+do_test aggnested-3.11 {
+  db eval {
+    DROP TABLE IF EXISTS t1;
+    DROP TABLE IF EXISTS t2;
+    CREATE TABLE t1(id1, value1);
+    INSERT INTO t1 VALUES(4469,12),(4469,11),(4470,34);
+    CREATE INDEX t1id1 ON t1(id1);
+    CREATE TABLE t2 (value2);
+    INSERT INTO t2 VALUES(12),(34),(34);
+    INSERT INTO t2 SELECT value2 FROM t2;
+
+    SELECT max(value1), (SELECT count(*) FROM t2 WHERE value2=max(value1))
+      FROM t1
+     GROUP BY id1;
+  }
+} {12 2 34 4}
+do_test aggnested-3.12 {
+  db eval {
+    SELECT max(value1), (SELECT count(*) FROM t2 WHERE value2=value1)
+      FROM t1
+     GROUP BY id1;
+  }
+} {12 2 34 4}
+do_test aggnested-3.13 {
+  db eval {
+    SELECT value1, (SELECT sum(value2=value1) FROM t2)
+      FROM t1;
+  }
+} {12 2 11 0 34 4}
+do_test aggnested-3.14 {
+  db eval {
+    SELECT value1, (SELECT sum(value2=value1) FROM t2)
+      FROM t1
+     WHERE value1 IN (SELECT max(value1) FROM t1 GROUP BY id1);
+  }
+} {12 2 34 4}
+do_test aggnested-3.15 {
+  # FIXME:  If case 3.16 works, then this case really ought to work too...
+  catchsql {
+    SELECT max(value1), (SELECT sum(value2=max(value1)) FROM t2)
+      FROM t1
+     GROUP BY id1;
+  }
+} {1 {misuse of aggregate function max()}}
+do_test aggnested-3.16 {
+  db eval {
+    SELECT max(value1), (SELECT sum(value2=value1) FROM t2)
+      FROM t1
+     GROUP BY id1;
+  }
+} {12 2 34 4}
+ 
+
+finish_test